feat: starting with creating the ZMQ Java package.

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_15" default="true" project-jdk-name="openjdk-15" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

src/main/java/Main.java

+import org.zeromq.SocketType;
 import org.zeromq.ZMQ;
 import org.zeromq.ZContext;
 
 public class Main
 {
-    public static void main(String[] args) {
+    public static void main(String[] args) throws Exception
+    {
+        try (ZContext context = new ZContext())
+        {
+            ZMQ.Socket socket = context.createSocket(SocketType.PUB);
+            socket.bind("tcp://*:5555");
+
+            while (!Thread.currentThread().isInterrupted())
+            {
+                System.out.println("waiting for message");
+                byte[] reply = socket.recv(0);
+
+                // Print the message
+                System.out.println("Received: [" + new String(reply, ZMQ.CHARSET) + "]"
+                );
+            }
+
+        }
 
     }
 }

src/main/java/zmqpubsub/ZmqPublisher.java

+package zmqpubsub;
+
+public class ZmqPublisher
+{
+
+}